77
Modes 4 and 5
(advanced expanded modes
with on-chip ROM disabled)
Mode 6
(advanced expanded mode
with on-chip ROM enabled)
Mode 7
(advanced single-chip mode)
H'000000
H'FFB000
H'FFB000
H'FFC000
H'FFEFC0
H'FFF800
H'040000
H'02FFFF
H'030000
H'000000
H'000000
H'FFEFBF
External address
space
On-chip RAM
*
1
Reserved area
Reserved area
On-chip RAM
*
1
External area
Internal I/O registers
*
2
Internal I/O registers
*
2
Internal I/O registers
*
2
External area
Internal I/O registers
On-chip RAM
*
1
External area
Internal I/O registers
On-chip ROM
External address
space
On-chip ROM
On-chip RAM
Internal I/O registers
H'FFFFFF
H'FFFF40
H'FFFF60
H'FFFFC0
H'FFC000
H'FFC000
H'FFEFC0
H'FFF800
H'FFFF40
H'FFFF60
H'FFFFC0
H'FFFF60
H'FFFFC0
On-chip RAM
*
1
On-chip RAM
External area
H'FFFFFF
H'FFFFFF
H'FFF800
H'FFFF3F
Reserved area
Notes: 1.
External addresses can be accessed by clearing th RAME bit in SYSCR to 0.
2.
Area H'FFF800 to H'FFFDAB is reserved, and must not be accessed.
Figure 3-2 Memory Map in Each Operating Mode in the H8S/2632